Home / 80,881,404.70-121,322,107.05-60,726,012.70

Finding the Fourth Proportional to 80,881,404.70, 121,322,107.05 and 60,726,012.70

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Solution

The fourth proportional to 80,881,404.70, 121,322,107.05 and 60,726,012.70 is: 91,089,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,881,404.70 : 121,322,107.05 = 60,726,012.70 : x
  2. Step 2: Convert to fraction form
    80,881,404.70/121,322,107.05 = 60,726,012.70/x
  3. Step 3: Cross multiply
    80,881,404.70x = 121,322,107.05 × 60,726,012.70
  4. Step 4: Simplify right side
    80,881,404.70x = 7,367,407,813,509,060
  5. Step 5: Solve for x
    x = 7,367,407,813,509,060/80,881,404.70
  6. Step 6: Final answer
    x = 91,089,019.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.